Sunspot Metamorphosis: From Bottom to Top . ... The above digital metamorphosis, however, shows a sunspot as it appears at increasing heights, effectively in three dimensions. ... The first images show the Sun's photospheric surface as it normally appears, covered with granules . ... Images appearing toward the middle of the sequence show the Sun as in light predominantly emitted a few hundred kilometers above the photosphere . ... NASA Web Site Statements, Warnings, and Disclaimers . ...